InChI=1S/C36H28O16/c1-10-5-13-21(15-9-19(40)26(41)29(44)25(15)28(43)23(13)17(38)6-10)20-12-3-2-4-16(37)22(12)27(42)24-14(20)7-11(8-18(24)39)35(50)52-36-32(47)30(45)31(46)33(51-36)34(48)49/h2-9,20-21,30-33,36-41,44-47H,1H3,(H,48,49)